Department of the Interior NAICS 541720 and PSC B599 contractors

Research and Development in the Social Sciences and Humanities. SPECIAL STUDIES/ANALYSIS- OTHER. Cross-code overlap under Department of the Interior.

Department of the Interior · NAICS 541720 · PSC B599

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$7,507,254

State overlap

Top recipients

Visible recipients in the Department of the Interior overlap of NAICS 541720 and PSC B599

Confederated Tribes Of Colville Reservation

Nespelem, WA

Nespelem, WA | 230 awards | Top agency Department of the Interior | NAICS 921150

Yakama Nation

Toppenish, WA

Toppenish, WA | 20 awards | Top agency Department of the Interior | NAICS 541990

Nez Perce Tribe

Lapwai, ID

Lapwai, ID | 187 awards | Top agency Department of Health and Human Services | NAICS 541990